body{overflow:auto}#app{width:100%;min-width:1349px}body,div,span,p,a,img,input,ul,li,strong,del,i,em,ins,h1,h2,h3,h4{margin:0;padding:0}a{color:#000;text-decoration:none}li{list-style:none}input{border:none;outline:none}img{vertical-align:middle;border:none}i{font-style:normal}body{font-size:12px;line-height:1}.clearfix:after{content:".";clear:both;visibility:hidden;height:0;display:block}.w{width:1200px;margin:0 auto}